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OSN to OIM: distance & flight time
Osan (Osan Air Base) → Oshima (Oshima Airport)
707 mi
1,138 km · 615 nm
2h
estimated nonstop flight time
Same time
time difference · heading east
See live OSN→OIM fares Phone-only fares on this route — call free
Flight time details
707 miles nonstop takes roughly 2h gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- OIM — Oshima Airport · Oshima, Japan
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Near OIM
- HND · Tokyo Haneda International Airport58 mi away
- NJA · Atsugi Naval Air Facility47 mi away
- NRT · Narita International Airport89 mi away
- MYE · Miyakejima Airport50 mi away
Frequently asked questions
How far is OSN from OIM?
The flight distance from Osan (OSN) to Oshima (OIM) is 707 miles (1,138 km, 615 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to OIM?
A nonstop flight takes about 2h gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from OSN to OIM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–OIM that never appear on search engines, with no booking fees.